| Manufacture | Sony Ericsson | HTC |
| Model | Z520 | One |
| Form factor | Clamshell/fold | Block |
| Weight | 96 gram | 143.00 |
| Dimensions (HxWxD) | 83 x 46 x 24 | 137.40 x 68.20 x 9.30 |
| Operating System | Other | Android |
| Networks | 2G - 850/900/1800/1900
| 2G - 850/900/1800/1900 3G - 850/900/1900/2100 |
| HSCSD |  |  |
| GPRS |  |  |
| EDGE |  |  |
| UMTS |  |  |
| HSDPA |  |  |
| HSPA+ |  |  |
| WiMAX |  |  |
| LTE (4G light) |  |  |
| WLAN / Wi-Fi |  |  |
| Wi-Fi Hotspot |  |  |
| Wi-Fi Direct |  |  |
| SMS |  |  |
| MMS |  |  |
| Email |  |  |
| HDMI out |  |  |
| USB port |  |  |
| MHL |  |  |
| Bluetooth |  |  |
| Bluetooth version | NA | 4.0 |
| DLNA |  |  |
| GPS |  |  |
| Glonass |  |  |
| ANT+ |  |  |
| IrDA |  |  |
| NFC |  |  |
| 3.5 mm audio connector |  |  |
| Camera |  |  |
| Camera resolution | 0.3 Megapixels (640x480) | 13 megapixel, f/2.0, 28mm, optical stabilizer |
| Image Stabilization |  |  |
| BSI sensor |  |  |
| Camera Flash/Light |  |  |
| Flash type | NA | LED |
| Video recording |  |  |
| Video capture resolution | NA | 1080p |
| Second Camera | NA | 2.1 megapixel |
| Display size | 1.8 inches | 4.70 |
| Touchscreen |  |  |
| Colour display |  |  |
| Number of colours | 65000 | 16777216 |
| Display width | 126 | 1080 |
| Display height | 160 | 1920 |
| PPI | 113.14 | 468.70 |
| Second Display | NA | NA |
| CPU | NA | 1.7 GHz quad-core Qualcomm Snapdragon 600 |
| GPU | NA | NA |
| Memory | 16MB | 2 GB RAM |
| Micro SIM |  |  |
| Dual SIM |  |  |
| MP3 |  |  |
| Ringtones / Music file format | Polyphonic | MP3 |
| Java |  |  |
| Games | Java | Yes, downloadable |
| FM Radio |  |  |
| Battery | Li-Ion 900 mAh | 2300 mAh |
| Standby time (h) | 400 | NA |
| Talktime (m) | 540 | NA |
| Wireless Charging |  |  |
| Browser | 2.0 XHTML | Android HTML Webkit |
| Calendar |  |  |
| Voicedialing |  |  |
| IP Code | NA | NA |
| Predictive text |  |  |
| RSS reader |  |  |
| Voicememo |  |  |
| PC Synchronization |  |  |
| SyncML |  |  |
| Website | Website | Website |